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4125813 = 310712853
BaseRepresentation
bin1111101111010001110101
321202121112220
433233101311
52024011223
6224232553
750032416
oct17572165
97677486
104125813
11236886a
12146b759
13b15c13
1479580d
155676e3
hex3ef475

4125813 has 8 divisors (see below), whose sum is σ = 5552928. Its totient is φ = 2724624.

The previous prime is 4125787. The next prime is 4125827. The reversal of 4125813 is 3185214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4125813 - 212 = 4121717 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6106 + ... + 6747.

It is an arithmetic number, because the mean of its divisors is an integer number (694116).

Almost surely, 24125813 is an apocalyptic number.

It is an amenable number.

4125813 is a deficient number, since it is larger than the sum of its proper divisors (1427115).

4125813 is a wasteful number, since it uses less digits than its factorization.

4125813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12963.

The product of its digits is 960, while the sum is 24.

The square root of 4125813 is about 2031.2097380625. The cubic root of 4125813 is about 160.3872520720.

The spelling of 4125813 in words is "four million, one hundred twenty-five thousand, eight hundred thirteen".

Divisors: 1 3 107 321 12853 38559 1375271 4125813